Takuma HAYAKAWA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Rare earth permanent magnet and rotating electric machine including...
- Patent number 12,074,475
- Issue date Aug 27, 2024
- TDK Corporation
- Takuma Hayakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
R-T-B based sintered magnet
- Patent number 11,469,016
- Issue date Oct 11, 2022
- TDK Corporation
- Ayato Kakoki
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Alloy for R—T—B based rare earth sintered magnet and method for pro...
- Patent number 10,964,463
- Issue date Mar 30, 2021
- TDK Corporation
- Takuma Hayakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Motor containing a permanent magnet having high and low temperature...
- Patent number 10,848,023
- Issue date Nov 24, 2020
- TDK Corporation
- Hidetake Kitaoka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
R-T-B based rare earth magnet
- Patent number 10,825,589
- Issue date Nov 3, 2020
- TDK Corporation
- Makoto Iwasaki
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
R-T-B based sintered magnet
- Patent number 10,755,840
- Issue date Aug 25, 2020
- TDK Corporation
- Tetsuya Hidaka
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
R-T-B based sintered magnet
- Patent number 10,748,683
- Issue date Aug 18, 2020
- TDK Corporation
- Tetsuya Hidaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Alloy for R-T-B based sintered magnet and R-T-B based sintered magnet
- Patent number 10,242,777
- Issue date Mar 26, 2019
- TDK Corporation
- Makoto Iwasaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
R-T-B based sintered magnet
- Patent number 10,026,532
- Issue date Jul 17, 2018
- TDK Corporation
- Tetsuya Hidaka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
R-T-B based sintered magnet
- Patent number 9,991,035
- Issue date Jun 5, 2018
- TDK Corporation
- Tetsuya Hidaka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
R-T-B based sintered magnet
- Patent number 9,548,148
- Issue date Jan 17, 2017
- TDK Corporation
- Ryota Kunieda
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rare earth based sintered magnet
- Patent number 8,961,712
- Issue date Feb 24, 2015
- TDK Corporation
- Takuma Hayakawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rare earth sintered magnet
- Patent number 8,425,695
- Issue date Apr 23, 2013
- TDK Corporation
- Takuma Hayakawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
R-T-B BASED PERMANENT MAGNET
- Publication number 20240321491
- Publication date Sep 26, 2024
- TDK Corporation
- Takuma HAYAKAWA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
R-T-B BASED PERMANENT MAGNET
- Publication number 20240321490
- Publication date Sep 26, 2024
- TDK Corporation
- Takuma HAYAKAWA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
RARE EARTH PERMANENT MAGNET AND ROTATING ELECTRIC MACHINE INCLUDING...
- Publication number 20210305852
- Publication date Sep 30, 2021
- TDK Corporation
- Takuma HAYAKAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
R-T-B BASED SINTERED MAGNET
- Publication number 20200321151
- Publication date Oct 8, 2020
- TDK Corporation
- Ayato KAKOKI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
ALLOY FOR R-T-B BASED SINTERED MAGNET AND R-T-B BASED SINTERED MAGNET
- Publication number 20190074114
- Publication date Mar 7, 2019
- TDK Corporation
- Makoto IWASAKI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B BASED SINTERED MAGNET
- Publication number 20180294082
- Publication date Oct 11, 2018
- TDK Corporation
- Tetsuya HIDAKA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MOTOR
- Publication number 20180287441
- Publication date Oct 4, 2018
- TDK Corporation
- Hidetake KITAOKA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ALLOY FOR R-T-B BASED RARE EARTH SINTERED MAGNET AND METHOD FOR PRO...
- Publication number 20180286544
- Publication date Oct 4, 2018
- TDK Corporation
- Takuma HAYAKAWA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B BASED RARE EARTH MAGNET
- Publication number 20180277288
- Publication date Sep 27, 2018
- TDK Corporation
- Makoto IWASAKI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
R-T-B BASED SINTERED MAGNET
- Publication number 20180025820
- Publication date Jan 25, 2018
- TDK Corporation
- Ayato KAKOKI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ALLOY FOR R-T-B BASED SINTERED MAGNET AND R-T-B BASED SINTERED MAGNET
- Publication number 20170221616
- Publication date Aug 3, 2017
- TDK Corporation
- Makoto IWASAKI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B BASED SINTERED MAGNET
- Publication number 20170103835
- Publication date Apr 13, 2017
- TDK Corporation
- Tetsuya HIDAKA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B BASED SINTERED MAGNET
- Publication number 20170103836
- Publication date Apr 13, 2017
- TDK Corporation
- Tetsuya HIDAKA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RARE EARTH BASED SINTERED MAGNET
- Publication number 20140318316
- Publication date Oct 30, 2014
- TDK Corporation
- Takuma Hayakawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B BASED SINTERED MAGNET
- Publication number 20140283649
- Publication date Sep 25, 2014
- TDK Corporation
- Ryota Kunieda
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B RARE EARTH SINTERED MAGNET
- Publication number 20120235778
- Publication date Sep 20, 2012
- TDK Corporation
- Ryota KUNIEDA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RARE EARTH SINTERED MAGNET
- Publication number 20120024429
- Publication date Feb 2, 2012
- TDK Corporation
- Takuma HAYAKAWA
- H01 - BASIC ELECTRIC ELEMENTS

Takuma HAYAKAWA

Person

Patents Grantslast 30 patents

Rare earth permanent magnet and rotating electric machine including...

R-T-B based sintered magnet

Alloy for R—T—B based rare earth sintered magnet and method for pro...

Motor containing a permanent magnet having high and low temperature...

R-T-B based rare earth magnet

R-T-B based sintered magnet

R-T-B based sintered magnet

Alloy for R-T-B based sintered magnet and R-T-B based sintered magnet

R-T-B based sintered magnet

R-T-B based sintered magnet

R-T-B based sintered magnet

Rare earth based sintered magnet

Rare earth sintered magnet

Patents Applicationslast 30 patents

R-T-B BASED PERMANENT MAGNET

R-T-B BASED PERMANENT MAGNET

RARE EARTH PERMANENT MAGNET AND ROTATING ELECTRIC MACHINE INCLUDING...

R-T-B BASED SINTERED MAGNET

ALLOY FOR R-T-B BASED SINTERED MAGNET AND R-T-B BASED SINTERED MAGNET

R-T-B BASED SINTERED MAGNET

MOTOR

ALLOY FOR R-T-B BASED RARE EARTH SINTERED MAGNET AND METHOD FOR PRO...

R-T-B BASED RARE EARTH MAGNET

R-T-B BASED SINTERED MAGNET

ALLOY FOR R-T-B BASED SINTERED MAGNET AND R-T-B BASED SINTERED MAGNET

R-T-B BASED SINTERED MAGNET

R-T-B BASED SINTERED MAGNET

RARE EARTH BASED SINTERED MAGNET

R-T-B BASED SINTERED MAGNET

R-T-B RARE EARTH SINTERED MAGNET

RARE EARTH SINTERED MAGNET